St Charles Weather Forecast

    • 58
    • 81

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

    • 67
    • 84

    Chance Thunderstorms

    • 73
    • 89

    Partly Sunny

    • 68
    • 90

    Slight Chance Thunderstorms

    • 65
    • 85

    Chance Rain Showers

Today 26 Aug Cuming

Sunny. Highs in the lower 80s. Northwest Winds 10 to 15 Mph.

Tonight 26 Aug Cuming

Mostly clear. Lows in the upper 50s. Northwest Winds 5 to 10 Mph.

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St Charles Temperature Statistics

August Temperature

Fremont Municipal Airport (26.1 miles)

  • Lowest 8 August, 2026

    57.6 °F

  • Average August

    73.6 °F

  • Highest 11 August, 2026

    91.6 °F

Climate (2021–2026)

Fremont Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    65 °F
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